Listen to your iPod music while you are on the go with Monster iCarPlay products. iCarPlay FM Modulaters/Chargers can both play your iPod music over your car stereo and charge your ipod at the same time. Monster iCarPlay wireless technology locks onto a particular radio station and wirelessly broadcasts your iPod music on that station. You can enjoy your iPod music and charge your iPod from almost anywhere you are with Monster iCarPlay FM Transmitters/Modulators.